55839888 has 160 divisors (see below), whose sum is σ = 176516480. Its totient is φ = 16796160.

The previous prime is 55839887. The next prime is 55839911. The reversal of 55839888 is 88893855.

55839888 is a `hidden beast` number, since 558 + 3 + 9 + 8 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55839887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342495 + ... + 342657.

It is an arithmetic number, because the mean of its divisors is an integer number (1103228).

Almost surely, 2^55839888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55839888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88258240).

55839888 is an abundant number, since it is smaller than the sum of its proper divisors (120676592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55839888 is a wasteful number, since it uses less digits than its factorization.

55839888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 55839888 is about 7472.6091828758. The cubic root of 55839888 is about 382.2212655966.

The spelling of 55839888 in words is "fifty-five million, eight hundred thirty-nine thousand, eight hundred eighty-eight".